Sunshine, Composting Toilets and Rainwater: Recipe for a Top 10 Green Building

Iowa Utilities Board

"From the very beginning they told the designers that they wanted this building to be illustrative of government spending the public's money wisely," juror and architect Clark S. Brockman told us. "And they very deliberately changed the way the building used space so that different departments of the building had to interact. It was very intentional to try and break down silos."

Total project cost at time of completion, land excluded:
$10.13 million.